async def run(loop):
nc = NATS()
await nc.connect(servers=["nats://localhost:4222"], io_loop=loop)
sc = STAN()
await sc.connect("test-cluster", "dataeng-publisher", nats=nc)
# sebelumnya kita publish angka saja
# i = 0
# while True:
# print(f"publish {i}")
# await sc.publish("hitung", str(i).encode())
# i += 1
# time.sleep(1)
# lalu kita ingin publish message dalam bentuk protocol buffers
write_card_holder = WriteCardHolder()
while True:
card_holder_book = holder_pb2.CardHolder()
msg = write_card_holder.PromptForAddress(card_holder_book)
print("Publish", msg)
await sc.publish("hitung", str(msg).encode())
time.sleep(1)
def signal_handler():
if nc.is_closed:
return
print('Disconnecting...')
loop.create_task(sc.close())
loop.create_task(nc.close())
for sig in ('SIGINT', 'SIGTERM'):
loop.add_signal_handler(getattr(signal, sig), signal_handler)
def __init__(self):
self.card_holder = holder_pb2.CardHolder()
# This function fills in a Person message based on user input.
def PromptForAddress(self,card_holder):
fake = Faker()
card_holder.name = fake.name()
card_holder.job = fake.job()
card_holder.phone_number = fake.phone_number()
card_holder.address = fake.address()
card_holder.card_number = fake.credit_card_number()
card_holder.card_provider = fake.credit_card_provider()
return card_holder
class ReadCardHolder:
def __init__(self):
self.card_holder = Holder.CardHolder()
def ListPeople(self):
print("Name:", card_holder.name)
print("Job:", card_holder.job)
print("Phone Number:", card_holder.phone_number)
print("Address:", card_holder.address)
print("Card Number:", card_holder.card_number)
print("Card Provider:", card_holder.card_provider)
if __name__ == "__main__":
write_card_holder = WriteCardHolder()
card_holder = Holder.CardHolder()
a = write_card_holder.PromptForAddress(card_holder)
serialize_a = a.SerializeToString()
read_card_holder = ReadCardHolder()
read_card_holder.card_holder.ParseFromString(serialize_a)
read_card_holder.ListPeople()
def __init__(self):
self.card_holder = Holder.CardHolder()
import holder_pb2
from faker import Faker
class WriteCardHolder:
def generate(self, card_holder):
fake = Faker()
card_holder.name = fake.name()
card_holder.job = fake.job()
card_holder.phone_number = fake.phone_number()
card_holder.address = fake.address()
card_holder.card_number = fake.credit_card_number()
card_holder.card_provider = fake.credit_card_provider()
return card_holder
if __name__ == "__main__":
write_card_holder = WriteCardHolder()
card_holder_book = holder_pb2.CardHolder()
f = open("records.bin", "ab")
for x in range(10):
a = write_card_holder.generate(card_holder_book)
f.write(a.SerializeToString())
f.write(b';')
f.close()